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Related Experiment Video

Updated: Mar 19, 2026

Infinium Assay for Large-scale SNP Genotyping Applications

Infinium Assay for Large-scale SNP Genotyping Applications

Published on: November 19, 2013

Haplotype estimation for biobank-scale data sets.

Jared O'Connell^1,2, Kevin Sharp², Nick Shrine³

¹Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK.

Nature Genetics

|June 9, 2016

Summary

This summary is machine-generated.

A new phasing method, SHAPEIT3, efficiently processes large biobank-scale genetic data. This method achieves low switch error rates, enabling accurate genetic analysis for large populations.

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Area of Science:

Genetics
Bioinformatics
Computational Biology

Background:

The UK Biobank (UKB) provides a large-scale dataset with genotypes and phenotypic information for over 150,000 individuals.
Accurate genotype phasing is crucial for genetic association studies and understanding complex traits.
Existing phasing methods may struggle with the computational demands of biobank-scale datasets.

Purpose of the Study:

To introduce SHAPEIT3, a novel genotype phasing method designed for biobank-scale data.
To evaluate the performance of SHAPEIT3 in terms of accuracy and computational efficiency.

Main Methods:

Development of SHAPEIT3, a new algorithm for genotype phasing.
Application of SHAPEIT3 to the UK Biobank dataset (152,328 individuals).
Assessment of switch error rates and computational scaling.

Main Results:

SHAPEIT3 successfully handles biobank-scale genotype data.
The method achieves a low switch error rate of approximately 0.3%.
SHAPEIT3 demonstrates O(NlogN) scaling with sample size N, indicating efficient performance.

Conclusions:

SHAPEIT3 is a fast and accurate tool for genotype phasing in large cohorts.
The method facilitates genetic research using large biobank resources like the UK Biobank.
SHAPEIT3 enables accurate genetic analysis for even larger future datasets.